CN219144569U - Double-interface electric connector - Google Patents

Abstract

The utility model provides a double-interface electric connector, which comprises an insulating body, a terminal fixed on the insulating body and a metal shell covering the periphery of the insulating body, wherein the insulating body is provided with a first butt joint part and a second butt joint part which are integrally connected, the metal shell is provided with a top cover, a bottom cover, a pair of side covers and a containing cavity, a pair of folding sheets protruding downwards into the containing cavity are formed on the top cover, and the containing cavity is divided into a first cavity for containing the first butt joint part, a second cavity for containing the second butt joint part and a third cavity between the first cavity and the second cavity by the pair of folding sheets. Compared with the prior art, the utility model has the advantages that the structure of the insulating body and the metal shell is optimized, so that the two double-interface structure is realized, the plugging of two butt-joint end connectors can be simultaneously satisfied, the connector has the characteristics of smaller volume and lighter weight, the trouble that two independent electric connectors are required to be manufactured and installed respectively is avoided, and the arrangement space in the horizontal direction is saved, thereby effectively saving the space of a circuit board.

Description

Double-interface electric connector

Technical Field

The present utility model relates to the field of electrical connection, and in particular, to a dual-interface electrical connector.

Background

With the development trend of miniaturization, thinness and thinness of consumer electronic products such as notebooks, tablet computers and mobile phones, the requirements on the design and manufacturing process of parts of the products are higher, and as the products are increasingly thinner and thinner, the internal space of the products is also very narrow, so that the internal space of the products is required to be densely distributed, the volumes of the electronic parts are also smaller and lighter, and the requirements on the manufacturing process and the reliability of product connection are higher. With the conventional notebook computer, the design trend of the thin and light design of the notebook computer makes the production process face many challenges, along with the continuous appearance of new transmission interfaces, the installation positions of the transmission interfaces are generally required to be increased in the computer, so that the internal space is squeezed, for example, the currently mainstream transmission interface Type C USB interface is occupied, because the use requirement is relatively large and the use is relatively frequent, two or more Type C USB interfaces are generally arranged on the computer, the conventional method is to separately install two independent Type C USB connectors on a circuit board, or splice together to form an integral after being manufactured respectively, and then install the two connectors on the circuit board, and the two connectors are kept horizontally distributed to reduce the thickness of the notebook computer, but the mode still occupies relatively large space, which is unfavorable for the development direction of the notebook computer in light and thin, and the two connectors are separately produced and separately assembled, for example, the two connectors also bring relatively high manufacturing cost: the insulating bodies of the two connectors need to be respectively injection molded, the metal shells also need to be respectively punched and manufactured, and finally the metal shells are assembled and then mounted on the circuit board, so that the manufacturing cost is greatly increased, and in the process, if the two metal shells have relative position difference or error due to assembly difference, the plugging precision of the two connectors after being spliced is greatly influenced.

Disclosure of Invention

The utility model provides a double-interface electric connector, which aims to solve the problem that the space occupied by the independent installation of two connectors in the prior art is large.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a two interface electric connector, includes insulator, holds terminal and the metal casing that covers in insulator periphery on insulator, insulator is equipped with integrative first butt joint portion and the second butt joint portion that links to each other, metal casing is equipped with a top cap, a bottom, a pair of side cap and a chamber of acceping, be formed with the pair of folio wings that stretches into acceping the intracavity downwards on the top cap, a pair of folio wings will acceping the chamber and divide into the first chamber that holds first butt joint portion, the second chamber that holds second butt joint portion, and the third chamber between first chamber and second chamber.

Further, the metal shell is provided with a front cover which is formed by bending downwards from the front side edge of the top cover, and two side edges of the front cover are also integrally connected with a pair of extending arms which extend backwards.

Further, the extension arm is matched with the folding piece in a clamping way, a bayonet is formed in the extension arm, and a protruding piece protruding into the bayonet is arranged on the folding piece.

Further, an opening penetrating downwards through the third cavity is formed in the top cover, the opening is located right above the third cavity, and the pair of folding plates are formed by bending and extending downwards from the inner side edge of the opening.

Further, the front cover is sheet-shaped and is shielded at the front side of the third cavity and is vertically arranged, and the dimension of the front cover in the vertical direction is larger than that of the extension arm in the vertical direction.

Further, the insulating body is further provided with a blocking portion located between the first abutting portion and the second abutting portion, the first abutting portion, the blocking portion and the second abutting portion are distributed in the horizontal direction and are obtained through one-time injection molding, the blocking portion is contained in the third cavity, and the top surface of the blocking portion is exposed in the opening.

Further, two sides of the blocking part are provided with side surfaces facing the first abutting part and the second abutting part and flange parts positioned above the side surfaces, and the flange parts protrude towards the first abutting part and the second abutting part and protrude beyond the side surfaces; the folding piece is attached to two sides of the blocking portion, and is provided with a folding concave portion matched with the flange portion.

Further, the dual-interface electric connector further comprises a cover body covering the surface of the metal shell, wherein the cover body is provided with a longitudinally extending substrate, side baffles formed by bending and extending downwards from two longitudinal ends of the substrate, and a rear baffle formed by bending and extending backwards from the rear side edge of the substrate, the opening of the top cover is positioned below the substrate and is completely covered by the substrate, and the rear baffle is lower than the substrate in the vertical direction.

Further, the insulating body is further provided with a rear extension part integrally connected to the rear sides of the first butt joint part, the blocking part and the second butt joint part, and the rear extension part is covered by the rear baffle plate in a pressing connection mode.

Compared with the prior art, the utility model has the advantages that the structure of the insulating body and the metal shell is optimized, so that the two double-interface structure is realized, the plugging of two butt-joint end connectors can be simultaneously satisfied, the connector has the characteristics of smaller volume and lighter weight, the trouble that two independent electric connectors are required to be manufactured and installed respectively is avoided, and the arrangement space in the horizontal direction is saved, thereby effectively saving the space of a circuit board.

Drawings

Fig. 1 is a perspective view of a dual-interface electrical connector according to the present utility model.

Fig. 2 is an exploded perspective view of the dual-interface electrical connector according to the present utility model.

Fig. 3 is a perspective view of a dual-interface electrical connector according to the present utility model in a rear-side view.

Fig. 4 is an exploded perspective view of the dual-interface electrical connector of the present utility model from a rear side view.

Fig. 5 is a perspective view of a metal housing of a dual-port electrical connector according to the present utility model from a rear side view.

Detailed Description

Referring to fig. 1 to 5, the present utility model provides a dual-interface electrical connector, which includes an insulating body 10, a terminal 20 fixed on the insulating body 10, a metal housing 30 covering the periphery of the insulating body 10, and a cover 40 covering the surface of the metal housing 30, wherein the insulating body 10 is obtained by injection molding, the terminal 20 is obtained by integral stamping, the terminal 20 and the cover are integrated into a whole for electrical butt joint with a butt-joint electrical connector, and the metal housing 30 and the cover 40 are used for providing reliable protection for electrical connection of the terminal 20 to shield interference of external signals. The specific structure of each of the foregoing components is described in detail below.

As shown in fig. 2 and 4, the insulating body 10 is provided with a main body 11, a first butt joint portion 12 and a second butt joint portion 13 protruding from the main body 11 forward integrally, and a blocking portion 14 located between the first butt joint portion 12 and the second butt joint portion 13, wherein the main body 11, the first butt joint portion 12, the second butt joint portion 13 and the blocking portion 14 are integrally connected, and are formed by integrally injection molding insulating plastic. The main body 11 extends longitudinally, a rear extension portion 15 protruding backward is disposed at the rear side of the main body 11, a C-shaped surface 110 is disposed at two ends of the main body 11 longitudinally, the rear extension portion 15 also extends longitudinally and extends to the right rear of the first butt joint portion 12 and the second butt joint portion 13, and preferably, the rear extension portion 15 is flat and has a flat top surface, and the top surface is lower than the top surface of the main body 11. The first abutting portion 12, the blocking portion 14, and the second abutting portion 13 are sequentially arranged from left to right or from right to left, preferably, the first abutting portion 12 and the second abutting portion 13 have the same structure, and taking the first abutting portion 12 as an example, the first abutting portion 12 is provided with a base 120 and a tongue plate portion 121 (correspondingly, the second abutting portion 13 is provided with the base 130 and the tongue plate portion 131) integrally extending forward from the base 120, the thickness of the base 120 is greater than the thickness of the tongue plate portion 121, and the base 120 is integrally connected with the front end face 111 of the main body 11. The blocking part 14 is integrally connected with the main body 11 and is located between the first abutting part 12 and the second abutting part 13, the blocking part 14 is provided with a top surface 140, a front end surface 141 and a pair of side surfaces 142, the top surface 140 is arranged flush with the top surface of the main body 11, the top surface 140 of the blocking part 14 is also provided with an upward protruding rib 143, and the rib 143 is higher than the top surface 140 of the blocking part 14 and the top surface of the main body 11 and is used for clamping and matching with the metal shell 30; the front end surface 141 is a flat surface facing the mating end electrical connector, and the front end surface 141 protrudes forward beyond the first mating portion 12 and the second mating portion 13, and in addition, the side surfaces 142 of the blocking portion 14 extend vertically and face the first mating portion 12 and the second mating portion 13, respectively, preferably, two side edges of the blocking portion 14 are further formed with flange portions 144 located above the side surfaces 142, and the flange portions 144 protrude toward the first mating portion 12 and the second mating portion 13 and protrude beyond the side surfaces 142.

The terminals 20 include a first terminal module 21 fixed on the first docking portion 12, and a second terminal module 22 fixed on the second docking portion 13, wherein the first terminal module 21 and the second terminal module 22 each include a plurality of terminals 20, and the plurality of terminals 20 are distributed on the upper and lower surfaces of the first docking portion 12 and the second docking portion 13 for electrically connecting with the docking-end electrical connector. Preferably, the number of the terminals 20, the structure of the terminals 20 and the distribution manner of the terminals 20 in the first terminal module 21 and the second terminal module 22 are the same, and the first terminal module 21 and the second terminal module 22 are provided with welding pins 23 protruding backward from the insulating body 10, the welding pins 23 are located below the rear extension 15, and part of the welding pins protrude backward from the rear extension 15, and part of the welding pins are covered by the rear extension 15.

As shown in fig. 2 and 5, the metal housing 30 is provided with a top cover 31, a bottom cover 32, a pair of side covers 33 and a front cover 34, the top cover 31 and the bottom cover 32 are disposed parallel to each other, the pair of side covers 33 are located at two ends of the top cover 31 and the bottom cover 32 and integrally connected with the top cover 31 and the bottom cover 32, the top cover 31, the bottom cover 32 and the side covers 33 are integrally formed by stamping metal plates and jointly form a containing cavity 35 for containing the insulating body 10, and preferably, the side covers 33 are C-shaped for being mounted in a matching manner with the C-shaped surface 110. The top cover 31 is provided with at least one opening 310 and a pair of folding tabs 311 bent downwards from the inner edges of the opening 310, the opening 310 penetrates the accommodating cavity 35 downwards, the pair of folding tabs 311 extend downwards into the accommodating cavity 35, and divide the accommodating cavity 35 into three areas, namely a first cavity 351, a second cavity 352 and a third cavity 353 between the first cavity 351 and the second cavity 352, which respectively accommodate the first butt joint part 12, the second butt joint part 13 and the blocking part 14, it should be noted that the number of the openings 310 can be one or two, when the number of the openings 310 is 1, the pair of folding tabs 311 are bent downwards from two opposite inner edges of the opening 310, and when the number of the openings 310 is two, the pair of folding tabs 311 are respectively formed at the inner edges of the two openings 310, in the preferred embodiment of the utility model, the number of the openings 310 is two; it should be noted that the first cavity 351 and the second cavity 352 are formed between the folded piece 311 and the side cover 33, the third cavity 353 is formed between the folded piece 311, the folded piece 311 is attached to two sides of the blocking portion 14, a folded concave portion 312 matching the flange portion 144 is provided, and the folded piece 311 is further formed with a tab 38 facing the first cavity 351 and the second cavity 352; the top cover 31 is further provided with a spring plate 36 protruding downwards at a position corresponding to the first cavity 351 and the second cavity 352, and the spring plate 36 protrudes downwards from the top cover 31 into the first cavity 351 and the second cavity 352 for being pressed and connected to the electric connector at the butt end. The front cover 34 is sheet-shaped and is covered on the front side of the third cavity 353 and is vertically disposed, the front cover 34 is bent and extended from the front side edge of the top cover 31, the front cover 34 is covered on the front side of the third cavity 353, and is used for covering the blocking portion 14 in the third cavity 353, that is, the front end face 141 of the blocking portion 14 is covered by the front cover 34, preferably, two sides of the front cover 34 are integrally connected with a pair of extending arms 37 extending backward, the extending arms 37 extend horizontally from two side edges of the front cover 34 backward and respectively extend into the first cavity 351 and the second cavity 352, the extending arms 37 are disposed opposite to the side cover 33, and each extending arm 37 is provided with a bayonet 39 for accommodating the tab 38, so that the extending arms 37 and the folding piece 311 are clamped together to form a relatively stable and reliable structure, and the dimension of the front cover 34 in the vertical direction is larger than the dimension of the extending arms 37 in the vertical direction. As can be seen from the above, the metal housing 30 is formed by integrally stamping a metal plate, and two interfaces are formed on the mating sides of the pair of tabs 311, so that the two electrical connectors at the mating ends can be inserted simultaneously by using the dual-interface structure.

As shown in fig. 2 and 3, the cover 40 is covered on the surface of the metal shell 30 from top to bottom, and the cover 40 is provided with a longitudinally extending base plate 41, side baffles 42 bent and extended downwards from two longitudinal ends of the base plate 41, and a rear baffle 43 bent and extended backwards from the rear side edge of the base plate 41, the base plate 41 is covered on the top cover 31 of the metal shell 30, and through holes 44 corresponding to the positions of the elastic pieces 36 are formed on the base plate 41, so that the elastic pieces 36 are exposed in the through holes 44 and are in a visible state, and holes are not formed in the middle position of the base plate 41, so that the opening 310 of the top cover 31 below the base plate is completely covered, and a better protection effect can be provided. The bottom edge of the side shield 42 is formed with a fixing leg 45 that is fixed to a circuit board (not shown). The rear baffle 43 extends longitudinally and is located at the rear side of the base plate 41 but lower than the base plate 41, and is used for covering the surface of the rear extension portion 15 of the insulation body 10, so as to play a role of shielding signals on the welding pins 23 below the rear extension portion 15, and mounting pins 46 formed by bending and extending downwards are arranged at two longitudinal ends of the rear baffle 43 and are used for being mounted on a circuit board (not shown), so that the cover body 40 can be firmly welded on the circuit board (not shown) through the fixing pieces and the mounting pins 46.

In summary, the structure of the insulating body 10 and the metal housing 30 is optimized, so that the two dual-interface structure can simultaneously meet the plugging of two butt-end connectors, and the connector has the characteristics of smaller volume and lighter weight, so that the trouble that two independent electric connectors are required to be manufactured and installed respectively is avoided, meanwhile, the arrangement space in the horizontal direction is saved, the space of a circuit board (not shown) is effectively saved, particularly for a Type C USB connector, the two Type C USB connectors are 1, the metal housing 30 plays a good limiting and supporting role by mutually buckling the folded piece 311 and the extension arm 37 which are bent inwards, the original assembly procedure of 2 metal housings is changed into the stamping bending of 1 metal housing, the assembly manufacturing cost is lower, the precision is higher, and the problem that the plugging precision is influenced due to the respective manufacturing and the position error generated by the respective assembly of 2 metal housings is avoided.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make many possible variations and modifications to the technical solution of the present utility model using the above disclosed method without departing from the scope of the technical solution of the present utility model, which is defined in the claims.

Claims (9)

1. The utility model provides a two interface electric connector, includes insulator, the terminal of fixing on insulator and cover in insulator outlying metal casing, insulator is equipped with integrative first butt joint portion and the second butt joint portion that links to each other, its characterized in that: the metal shell is provided with a top cover, a bottom cover, a pair of side covers and a containing cavity, a pair of folding sheets which downwards protrude into the containing cavity are formed on the top cover, and the containing cavity is divided into a first cavity for containing the first butt joint part, a second cavity for containing the second butt joint part and a third cavity between the first cavity and the second cavity by the pair of folding sheets.

2. The dual-interface electrical connector of claim 1, wherein: the metal shell is provided with a front cover which is formed by bending downwards from the front side edge of the top cover, and a pair of extending arms which extend downwards are integrally connected with the two side edges of the front cover.

3. The dual-interface electrical connector of claim 2, wherein: the extension arm is matched with the folding plate in a clamping way, a bayonet is formed in the extension arm, and a lug protruding into the bayonet is arranged on the folding plate.

4. The dual-interface electrical connector of claim 3, wherein: the top cover is provided with an opening which downwards penetrates through the third cavity, the opening is positioned right above the third cavity, and the pair of flaps are downwards bent and extended from the inner side edge of the opening.

5. The dual-interface electrical connector of claim 4, wherein: the front cover is sheet-shaped, is shielded on the front side of the third cavity and is arranged vertically, and the size of the front cover in the vertical direction is larger than that of the extension arm in the vertical direction.

6. The dual-interface electrical connector of claim 5, wherein: the insulating body is further provided with a blocking portion located between the first abutting portion and the second abutting portion, the first abutting portion, the blocking portion and the second abutting portion are distributed in the horizontal direction and are obtained through one-time injection molding, the blocking portion is contained in the third cavity, and the top surface of the blocking portion is exposed in the opening.

7. The dual-interface electrical connector of claim 6, wherein: the two sides of the blocking part are provided with side surfaces facing the first abutting part and the second abutting part and flange parts positioned above the side surfaces, and the flange parts protrude towards the first abutting part and the second abutting part and protrude beyond the side surfaces; the folding piece is attached to two sides of the blocking portion, and is provided with a folding concave portion matched with the flange portion.

8. The dual-interface electrical connector of claim 7, wherein: the double-interface electric connector further comprises a cover body covering the surface of the metal shell, wherein the cover body is provided with a longitudinally extending base plate, side baffles formed by bending and extending downwards from two longitudinal ends of the base plate and a rear baffle formed by bending and extending backwards from the rear side edge of the base plate, an opening of the top cover is positioned below the base plate and is completely covered by the base plate, and the rear baffle is lower than the base plate in the vertical direction.

9. The dual-interface electrical connector of claim 8, wherein: the insulating body is further provided with a rear extension part integrally connected to the rear sides of the first butt joint part, the blocking part and the second butt joint part, and the rear extension part is covered by the rear baffle in a pressing connection mode.

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